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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME |  |
NET INCOME | $ 4,888 | $ 9,954
Pension and other postretirement benefit plans: |  |
Net actuarial loss, net of tax of: (2019 – $230; 2018 – $899) | 661 | 2,590
Pension settlement expense, net of tax of: (2019 – $349; 2018 – $168) | 1,007 | 486
Amortization of unrecognized net periodic benefit costs, net of tax of: (2019 – $100; 2018 – $219) |  |
Net actuarial loss | 295 | 649
Prior service credit | (6) | (17)
Interest rate swap and foreign currency translation: |  |
Change in unrealized income (loss) on interest rate swap, net of tax of: (2019 – $118) | (332) |
Change in unrealized income (loss) on interest rate swap, net of tax of: (2018 – $219) |  | 436
Change in foreign currency translation, net of tax of: (2019 – $79; 2018 – $223) | 225 | (72)
OTHER COMPREHENSIVE INCOME, net of tax | 1,850 | 4,072
TOTAL COMPREHENSIVE INCOME | $ 6,738 | $ 14,026

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